Only Paris and the south of France have petrol issues.
Where I live (not far from Geneva and Italy) no issue at all.
About the ferries that’s another story. When is your travel planned?
In case you’re stuck, or need a stop
My wife is currently 2 weeks in UK and come back for the week end. So far so good, but she could be stuck in Schiphol if the last plane to Lyon turns out to be cancelled…